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Rounding up between incremental numbers

  1. 11-23-2023, 05:20 AM #1
    L plates
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    Rounding up between incremental numbers

    Hi All,

    I have a set of numbers that increase in increments varying by 5 at the start with the interval becoming larger in steps as the numbers get higher. Users are able to input a figure into a cell and a worksheet change event should round the figure up based on the set increments in the list. The first 20 increments look like this - 5, 10, 15, 20, 25, 50, 100, 150, 200, 250, 300, 350, 400, 450, 500, 550, 600, 650, 700, 750, etc. If the user were to input 12, the worksheet change event would round the number between increments 10 and 15 resulting in a rounded figure of 10.

    13 would result in 15
    75 would result in 100
    324 would result in 300, etc.

    I can use ROUNDUP for regular integer intervals but am struggling to find a simple way to roundup between set figures for the worksheet change event. I have attached a workbook with the full increment set. The macro in its base form is:

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    Incremental Rounding.png

    Any assistance would be greatly appreaciated!

    Many thanks,
    David
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  2. 11-23-2023, 05:22 AM #2
    AliGW
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    Re: Rounding up between incremental numbers

    No need for VBA!

    In E2:

    =XLOOKUP(C2,A2:A148,A2:A148,"",1)
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  3. 11-23-2023, 05:37 AM #3
    L plates
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    Re: Rounding up between incremental numbers

    Hi Ali,

    Thanks for the swift reply, much appreciated!

    This formula is perfect. Due to the sheer size and number of formulas involved, I'm utilising a worksheet change event for this task in the actual project to try to keep formula overheads down. I will adapt this formula accordingly and hope I've taken the right approach!

    Many thanks again!
    David
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  4. 11-23-2023, 05:42 AM #4
    AliGW
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    Re: Rounding up between incremental numbers

    Glad to have helped.

    If you have not already done so, you may not be aware that you can thank anyone who offered you help towards a solution for your issue by clicking the small star icon (* Add Reputation) located in the lower left corner of the post in which the help was given. By doing so you can add to the reputation(s) of each of those who offered help.
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  5. 11-23-2023, 06:00 AM #5
    Phuocam
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    Re: Rounding up between incremental numbers

    Try this
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  6. 11-23-2023, 06:41 AM #6
    jindon
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    Re: Rounding up between incremental numbers

    Quote Originally Posted by L plates View Post
    13 would result in 15
    75 would result in 100
    324 would result in 300, etc.
    Quote Originally Posted by L plates View Post
    This formula is perfect.
    Are you sure?

    Here's my understanding.
    Formula:
    =LET(x,A2:A500,y,ABS(x-C2),XLOOKUP(MIN(y),y,x,"""",0,-1))
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  7. 11-23-2023, 06:45 AM #7
    L plates
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    Re: Rounding up between incremental numbers

    Hi Ali,

    Thanks again for your input and apologies for missing this - the formula you provided looks for the next largest number in the list and while this technically rounds up, does not meet the requirement to round up using the midway point between increments. I will check responses more closely in future.

    Hi Phoucam,

    Your solution fills the requirement exactly - rounding up if the user input is midway between increments or above. Thanks so much! How could I adjust your code to round down from the midway point?

    Many thanks to you both!
    David
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  8. 11-23-2023, 06:49 AM #8
    AliGW
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    Re: Rounding up between incremental numbers

    When I read 'round up', I assume it means 'round up', not 'round' (which would go either way depending on the actual value).

    You mention rounding UP in both the thread title AND the opening post, so I don't think you can really blame me (or anyone else) for taking you literally.

    I'll leave it to the others - got to go outside and do some pressure washing of our drive!
    Last edited by AliGW; 11-23-2023 at 06:53 AM.
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  9. 11-23-2023, 06:57 AM #9
    Phuocam
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    Re: Rounding up between incremental numbers

    Quote Originally Posted by L plates View Post

    How could I adjust your code to round down from the midway point?
    Change to:

    Range("E2").Value = IIf(v - fi <= en - v, fi, en)
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  10. 11-23-2023, 07:05 AM #10
    L plates
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    Re: Rounding up between incremental numbers

    Thanks Phuocam, that worked. Fisrt I have seen IIf before - extremely useful to have!

    This also seems to do the trick:

    Range("E2").Value = IIf(v - fi > en - v, en, fi)

    Many thanks,
    David
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  11. 11-23-2023, 07:08 AM #11
    L plates
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    Re: Rounding up between incremental numbers

    Quote Originally Posted by AliGW View Post
    When I read 'round up', I assume it means 'round up', not 'round' (which would go either way depending on the actual value).

    You mention rounding UP in both the thread title AND the opening post, so I don't think you can really blame me (or anyone else) for taking you literally.

    I'll leave it to the others - got to go outside and do some pressure washing of our drive!
    No probs Ali - thanks for correcting my terminology - always happy to learn.
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